Description

3-Amino-5-Methylthiophene-2-Carboxylic Acid is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by research chemists and process development scientists working on active pharmaceutical ingredients (APIs), specialty dyes, and novel material science applications.

Application

• Pharmaceutical Intermediate: A critical synthon for the synthesis of novel drug candidates, particularly in the development of thiophene-based therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Material Science: Serves as a building block for functional polymers, organic semiconductors, and conductive materials.
• Dye and Pigment Manufacturing: Acts as a precursor for specialty heterocyclic dyes and pigments, offering unique color properties.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D for exploring new synthetic pathways and creating complex molecular architectures.
• Ligand Synthesis: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Amino-5-Methylthiophene-2-Carboxylic Acid
CAS No.	100047-53-8
Molecular Formula	C7H7NO2S
Molecular Weight	169.20 g/mol
Synonyms	2-Carboxy-3-amino-5-methylthiophene; 5-Methyl-3-aminothiophene-2-carboxylic acid; 3-Amino-5-methyl-2-thiophenecarboxylic acid; 3-Amino-5-methylthiophene-2-carboxylic acid; 5-Methyl-3-aminothiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 3-amino-5-methyl-; AMTCA; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3-Amino-5-Methylthiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.